ArrayUtils.indexOf(), containsAll() with tests.

Change-Id: I040164d4e45126e4a6c1df54bd114f47951da560

1 files changed, 80 insertions, 0 deletions

diff --git a/core/tests/coretests/src/com/android/internal/util/ArrayUtilsTest.java b/core/tests/coretests/src/com/android/internal/util/ArrayUtilsTest.java
new file mode 100644
index 0000000..5dc9ef8
--- /dev/null
+++ b/core/tests/coretests/src/com/android/internal/util/ArrayUtilsTest.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.internal.util;
+
+import junit.framework.TestCase;
+
+/**
+ * Tests for {@link ArrayUtils}
+ */
+public class ArrayUtilsTest extends TestCase {
+    public void testContains() throws Exception {
+        final Object A = new Object();
+        final Object B = new Object();
+        final Object C = new Object();
+        final Object D = new Object();
+
+        assertTrue(ArrayUtils.contains(new Object[] { A, B, C }, A));
+        assertTrue(ArrayUtils.contains(new Object[] { A, B, C }, B));
+        assertTrue(ArrayUtils.contains(new Object[] { A, B, C }, C));
+        assertTrue(ArrayUtils.contains(new Object[] { A, null, C }, null));
+
+        assertFalse(ArrayUtils.contains(new Object[] { A, B, C }, null));
+        assertFalse(ArrayUtils.contains(new Object[] { }, null));
+        assertFalse(ArrayUtils.contains(new Object[] { null }, A));
+    }
+
+    public void testIndexOf() throws Exception {
+        final Object A = new Object();
+        final Object B = new Object();
+        final Object C = new Object();
+        final Object D = new Object();
+
+        assertEquals(0, ArrayUtils.indexOf(new Object[] { A, B, C }, A));
+        assertEquals(1, ArrayUtils.indexOf(new Object[] { A, B, C }, B));
+        assertEquals(2, ArrayUtils.indexOf(new Object[] { A, B, C }, C));
+        assertEquals(-1, ArrayUtils.indexOf(new Object[] { A, B, C }, D));
+
+        assertEquals(-1, ArrayUtils.indexOf(new Object[] { A, B, C }, null));
+        assertEquals(-1, ArrayUtils.indexOf(new Object[] { }, A));
+        assertEquals(-1, ArrayUtils.indexOf(new Object[] { }, null));
+
+        assertEquals(0, ArrayUtils.indexOf(new Object[] { null, null }, null));
+        assertEquals(1, ArrayUtils.indexOf(new Object[] { A, null, B }, null));
+        assertEquals(2, ArrayUtils.indexOf(new Object[] { A, null, B }, B));
+    }
+
+    public void testContainsAll() throws Exception {
+        final Object A = new Object();
+        final Object B = new Object();
+        final Object C = new Object();
+
+        assertTrue(ArrayUtils.containsAll(new Object[] { C, B, A }, new Object[] { A, B, C }));
+        assertTrue(ArrayUtils.containsAll(new Object[] { A, B }, new Object[] { A }));
+        assertTrue(ArrayUtils.containsAll(new Object[] { A }, new Object[] { A }));
+        assertTrue(ArrayUtils.containsAll(new Object[] { A }, new Object[] { }));
+        assertTrue(ArrayUtils.containsAll(new Object[] { }, new Object[] { }));
+        assertTrue(ArrayUtils.containsAll(new Object[] { null }, new Object[] { }));
+        assertTrue(ArrayUtils.containsAll(new Object[] { null }, new Object[] { null }));
+        assertTrue(ArrayUtils.containsAll(new Object[] { A, null, C }, new Object[] { C, null }));
+
+        assertFalse(ArrayUtils.containsAll(new Object[] { }, new Object[] { A }));
+        assertFalse(ArrayUtils.containsAll(new Object[] { B }, new Object[] { A }));
+        assertFalse(ArrayUtils.containsAll(new Object[] { }, new Object[] { null }));
+        assertFalse(ArrayUtils.containsAll(new Object[] { A }, new Object[] { null }));
+    }
+}